/Engine/Source/Developer/FunctionalTesting/Public/AutomationBlueprintFunctionLibrary.h
Take high res screenshot in editor.
static [UAutomationEditorTask](API\Developer\FunctionalTesting\UAutomationEditorTask) * TakeHighResScreenshot ( int32 ResX, int32 ResY, [FString](API\Runtime\Core\Containers\FString) Filename, [ACameraActor](API\Runtime\Engine\Camera\ACameraActor) * Camera, bool bMaskEnabled, bool bCaptureHDR, [EComparisonTolerance](API\Developer\FunctionalTesting\EComparisonTolerance) ComparisonTolerance, [FString](API\Runtime\Core\Containers\FString) ComparisonNotes, float Delay )